A smart meter with anti-theft function

Abstract

This invention relates to a smart meter with anti-theft function, belonging to the field of smart meter technology. It includes an electricity meter with a mounting base fixedly connected to its end. The bottom of the electricity meter has wiring terminals, and the ends of the wiring terminals are equipped with anti-theft covers. The anti-theft cover includes a U-shaped protective plate covering the outside of the electricity meter, with insertion holes at both ends. A rectangular insert is inserted into the insertion holes, and a compression spring is connected to the top of the rectangular insert. The mounting base includes a base plate that fits against the end of the electricity meter. When the mounting groove is completely inside the mounting groove, the locking spring applies downward pressure to the outer locking claw, causing the outer locking claw and the rotating locking bracket to engage in the groove of the mounting base. Because the locking structure is hidden inside the base plate, the electricity meter and mounting base require specialized tools to disassemble after fixing, thereby improving the anti-theft effect of the smart meter.

Description

Technical Field

[0001] This invention relates to the field of smart meter technology, and specifically to a smart meter with anti-theft function. Background Technology

[0002] As an important tool for modern electricity metering and management, smart meters use advanced sensors and metering technologies to measure the electricity consumed by users with precision down to very small units. When in use, the smart meter needs to be fixed to a suitable installation location with fasteners, and then connected to the power system through wires. When current flows through the wires, the smart meter can detect the current flowing through the wires, convert it, and then display the consumed electricity on the digital display screen.

[0003] Smart meters are mostly installed using bolts or screws. Since bolts and screws are standard parts, tools for disassembling them are also very common. This means that non-staff members can also use commercially available tools to disassemble smart meters without authorization. Because non-staff members lack professional training, unauthorized disassembly can easily cause the risk of electric shock. Furthermore, the wiring terminals at the bottom of the meter are usually secured to the wires with screws, and ordinary tools can also be used to disconnect and rewire the wires. Unauthorized wiring can cause short circuits and other risks, affecting normal use and potentially causing electric shock accidents. Summary of the Invention

[0004] Technical problems to be solved

[0005] The purpose of this invention is to overcome the shortcomings of the prior art, adapt to practical needs, and provide a smart meter with anti-theft function to solve the above-mentioned technical problems.

[0006] Technical solution

[0007] To achieve the objectives of this invention, the technical solution adopted is as follows:

[0008] A smart meter with anti-theft function includes an electricity meter, an installation base fixedly connected to the end of the electricity meter, a wiring terminal at the bottom of the electricity meter, and an anti-theft cover at the end of the wiring terminal.

[0009] The anti-theft cover includes a protective plate covering the outside of the electricity meter. The protective plate is U-shaped and has holes at both ends. A rectangular rod is inserted into the holes, and a compression spring is connected to the top of the rectangular rod.

[0010] The mounting base includes a base plate that fits against the end of the electricity meter. Positioning slots are provided on both sides of the bottom of the base plate. Both ends of the protective plate are inserted into the positioning slots. Each positioning slot is also provided with a storage groove corresponding to the rectangular plug rod, wherein the rectangular plug rod and the compression spring are respectively located in the storage groove.

[0011] As a further technical solution of the present invention, the terminal block is protected by first connecting the wire to the terminal block and tightening the screw at the connection point with a tool. Then, the protective plate is placed on the side of the terminal block and pushed closer to the terminal block. At this time, the protective plate is inserted into the inner side of the positioning slot, which has a positioning effect on both ends of the protective plate. When the protective plate is completely attached to the end of the terminal block, both ends of the protective plate are just fully inserted into the positioning slot. At this time, the compression spring in the receiving groove pushes the rectangular plug to slide to the bottom and inserts into the corresponding hole at the end of the protective plate. By covering the outside of the terminal block with the protective plate, it can prevent unauthorized personnel from tampering with the wires on the terminal block, thereby improving the anti-theft effect.

[0012] As a further technical solution of the present invention, the side of the base plate is provided with a positioning cavity, the energy meter is attached to the positioning cavity, the inner side of the positioning cavity is provided with countersunk bolt holes for placing bolts in a rectangular array, the end of the energy meter near the base plate is provided with a groove seat, and the base plate is provided with an installation groove at the position corresponding to the groove seat, and an elastic lock core is provided in the installation groove to engage with the groove seat.

[0013] As a further technical solution of the present invention, the elastic lock core includes a rotating locking frame, the upper part of which is provided with a hollow rotating cavity, an outer locking claw is movably connected in the rotating cavity, one end of the outer locking claw is provided with an arc-shaped pawl, the other end of the outer locking claw is provided with a shaft hole, and the rotating cavity on the rotating locking frame is provided with a mounting shaft that rotates with the shaft hole, the mounting shaft passing through the inner side of the shaft hole.

[0014] As a further technical solution of the present invention, both ends of the rotary locking frame are provided with a rotary shaft, and the end of the rotary shaft away from the rotary locking frame is provided with an outwardly extending cross head. With the cooperation of professional tools, it is convenient for workers to disassemble the connection. Both sides of the mounting groove are provided with disassembly holes corresponding to the rotary shaft, and the end of the disassembly hole extends to the inner side of the mounting groove.

[0015] As a further technical solution of the present invention, the rotary locking bracket is placed inside the mounting groove, and the rotary shaft at the end of the rotary locking bracket is inserted into the inside of the disassembly hole and movably connected to the disassembly hole. The rotary shaft is rotatably connected to the disassembly hole, so that the rotary locking bracket can rotate around the rotary shaft as the axis inside the mounting groove.

[0016] As a further technical solution of the present invention, a positioning post is integrally provided on the side of the outer locking claw away from the rotation axis, and a locking spring is sleeved on the outside of the positioning post. The locking spring applies downward pressure to the outer locking claw to ensure that the end of the outer locking claw is always under downward force. One end of the locking spring is in contact with the outer locking claw, and the other end is inserted into the limiting groove at the top of the mounting groove.

[0017] As a further technical solution of the present invention, when placing the energy meter into the positioning cavity, the groove seat needs to be aligned with the mounting groove first. As the energy meter moves, the groove seat is inserted into the inner side of the mounting groove. The end of the outer locking claw first contacts the groove seat. Since the end of the outer locking claw is arc-shaped, the end of the outer locking claw moves upward first. Then, the rotating locking bracket contacts the groove seat, and the end of the rotating locking bracket also rotates upward until the end of the rotating locking bracket is above the groove in the groove seat. The locking spring pushes the rotating locking bracket and the outer locking claw to engage with the groove on the groove seat. Since the elastic lock core is completely submerged in the inner side of the mounting seat, there are no fasteners after the energy meter is installed, thereby preventing unauthorized personnel from disassembling the energy meter.

[0018] As a further technical solution of the present invention, the groove seat is inserted into the inner side of the mounting groove, the groove on the inner side of the groove seat is set upward, and the ends of the rotating locking bracket and the outer locking claw are both engaged in the groove on the inner side of the groove seat. The energy meter is locked by the engagement, and it is convenient for the staff to disassemble it.

[0019] As a further technical solution of the present invention, the protective plate is located at the bottom outer side of the electricity meter and covers the side of the wiring terminal, thereby blocking the screws at the connection between the wiring terminal and the wire, thus improving the anti-theft effect.

[0020] (3) Beneficial effects:

[0021] A. In this invention, the electricity meter is first placed inside the positioning cavity. At this time, the groove seat at the end of the electricity meter is inserted into the inner side of the mounting groove. As the mounting groove moves, the outer locking claw and the rotating locking bracket rotate upwards one after the other, compressing the locking spring above the outer locking claw. When the mounting groove is completely inside the mounting groove, the locking spring applies downward pressure to the outer locking claw, causing the outer locking claw and the rotating locking bracket to engage in the groove of the groove seat. Since the locking structure is hidden inside the base plate, the electricity meter and the mounting base need to be disassembled using professional tools after they are fixed, thereby improving the anti-theft effect of the smart meter.

[0022] B. In this invention, the electricity meter is first installed into the positioning cavity on the base plate. Then, the wire is connected to the wiring terminal at the bottom of the electricity meter. Next, the protective plate is placed over the front end of the wiring terminal, and both ends of the protective plate are inserted into the corresponding positioning slots. When the end of the protective plate is fully inserted into the inside of the positioning slot, the compression spring pushes the rectangular plug rod to the bottom, so that the bottom of the rectangular plug rod is inserted into the insertion holes opened at both ends of the protective plate. At this time, the protective plate completely covers the outside of the electricity meter, protecting the wiring terminal and preventing the bolts inside the wiring terminal from moving, thus preventing unauthorized wiring by non-professionals and further improving the anti-theft effect of the smart meter.

[0023] C. In this invention, when disassembling the electricity meter, a special disassembly tool is inserted into the end of the disassembly hole. The end of the disassembly tool is provided with a cross groove. The disassembly tool moves closer to the rotating shaft in the disassembly hole until the cross chuck at the end of the rotating shaft is inserted into the cross groove at the end of the disassembly tool. Then, the disassembly tool is rotated. The disassembly tool drives the rotating locking frame to rotate through the rotating shaft, causing the end of the rotating locking frame to rotate upward. At the same time, the rotation of the rotating locking frame drives the end of the outer locking claw to rotate upward until the outer locking claw and the rotating locking frame separate from the groove of the groove seat. The electricity meter is then moved forward and removed. Disassembly does not require complicated steps, but it does require a special disassembly tool. This improves the anti-theft effect and facilitates disassembly by professionals, shortens the time consumed during maintenance, and improves replacement efficiency.

[0024] D. In this invention, the base plate is fixed to the installation position, and several bolts are threaded through the countersunk bolt holes and connected to the installation position to fix the base plate. The ends of the bolts are completely submerged in the countersunk bolt holes. When the electricity meter is installed in the positioning cavity, the electricity meter blocks the bolts inside the countersunk bolt holes to prevent unauthorized disassembly and further improve the anti-theft effect. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0026] Figure 2 In this invention Figure 1 A schematic diagram of the bottom structure;

[0027] Figure 3 In this invention Figure 1 Another perspective view;

[0028] Figure 4 In this invention Figure 3 A magnified view of a portion of the image;

[0029] Figure 5 This is a three-dimensional structural diagram of the mounting base in this invention;

[0030] Figure 6In this invention Figure 5 A magnified view of a portion of the image;

[0031] Figure 7 In this invention Figure 5 A magnified view of a portion of the image;

[0032] Figure 8 In this invention Figure 5 A magnified view of a portion of the image;

[0033] Figure 9 This is a three-dimensional structural diagram of the anti-theft cover plate in this invention;

[0034] Figure 10 In this invention Figure 9 A magnified view of a portion of the image;

[0035] Figure 11 This is a three-dimensional structural diagram of the elastic lock core in this invention;

[0036] Figure 12 In this invention Figure 11 A schematic diagram of the split structure.

[0037] In the diagram: 1. Electricity meter; 2. Terminal block; 3. Rubber pad; 4. Groove seat; 5. Mounting seat; 51. Seat plate; 52. Positioning cavity; 53. Countersunk bolt hole; 54. Removal hole; 55. Mounting groove; 56. Positioning slot; 57. Storage groove; 6. Elastic lock cylinder; 61. Rotary locking bracket; 62. Rotary shaft; 63. Mounting shaft; 64. Outer locking claw; 65. Locking spring; 66. Positioning pin; 67. Shaft hole; 7. Anti-theft cover; 71. Protective plate; 72. Rectangular insert; 73. Compression spring. Detailed Implementation

[0038] Please see Figure 1-4 , Figure 9-10 A smart meter with anti-theft function includes an energy meter 1, an installation base 5 fixedly connected to the end of the energy meter 1, a wiring terminal 2 at the bottom of the energy meter 1, and an anti-theft cover 7 at the end of the wiring terminal 2.

[0039] The anti-theft cover 7 includes a protective plate 71 covering the outside of the electricity meter 1. The protective plate 71 is U-shaped and has holes at both ends. A rectangular plug 72 is inserted into the holes, and a compression spring 73 is connected to the top of the rectangular plug 72.

[0040] The mounting base 5 includes a base plate 51 that fits against the end of the electricity meter 1. Positioning slots 56 are provided on both sides of the bottom of the base plate 51. Both ends of the guard plate 71 are inserted into the positioning slots 56. Each positioning slot 56 is also provided with a storage groove 57 corresponding to the rectangular insert 72. The rectangular insert 72 and the compression spring 73 are respectively located in the storage groove 57.

[0041] By adopting the above technical solution to protect the terminal 2, firstly, the wire is connected to the terminal 2, and the screw at the connection is tightened with a tool. Then, the protective plate 71 is placed on the side of the terminal 2 and pushed closer to the terminal 2. At this time, the protective plate 71 is inserted into the inner side of the positioning slot 56, which has a positioning effect on both ends of the protective plate 71. When the protective plate 71 is completely attached to the end of the terminal 2, both ends of the protective plate 71 are just fully inserted into the positioning slot 56. At this time, the compression spring 73 in the receiving groove 57 pushes the rectangular plug 72 to slide to the bottom and insert it into the corresponding hole at the end of the protective plate 71. By covering the outside of the terminal 2 with the protective plate 71, it can prevent unauthorized personnel from tampering with the wires on the terminal 2, thereby improving the anti-theft effect.

[0042] In this embodiment, please refer to Figure 5-8 The side of the base plate 51 is provided with a positioning cavity 52, and the energy meter 1 is attached to the positioning cavity 52. ​​The inner side of the positioning cavity 52 is provided with countersunk bolt holes 53 for placing bolts in a rectangular array. The end of the energy meter 1 near the base plate 51 is provided with a groove seat 4, and the base plate 51 and the groove seat 4 are provided with a mounting groove 55 at the corresponding position. The mounting groove 55 is provided with an elastic lock core 6 that engages with the groove seat 4.

[0043] By adopting the above technical solution, the base plate 51 can be installed before installing the electricity meter 1. The base plate 51 is placed in the installation position, and then several bolts are threaded through the countersunk bolt holes 53 and connected to the installation position. Since the countersunk bolt holes 53 are set in a stepped shape, when the bolts are connected to the installation position, the nuts at the ends of the bolts will be completely submerged in the countersunk bolt holes 53. Then the electricity meter 1 is installed in the positioning cavity 52, completely covering the bolts in the countersunk bolt holes 53. The hidden setting of the installation bolts can improve the anti-theft effect.

[0044] In this embodiment, please refer to Figure 11-12 The elastic lock core 6 includes a rotating locking frame 61. The upper part of the rotating locking frame 61 is provided with a hollow rotating cavity. An outer locking claw 64 is movably connected in the rotating cavity. One end of the outer locking claw 64 is provided with an arc-shaped pawl, and the other end of the outer locking claw 64 is provided with a shaft hole 67. The rotating cavity on the rotating locking frame 61 is provided with a mounting shaft 63 that rotatably engages with the shaft hole 67. The mounting shaft 63 passes through the inner side of the shaft hole 67.

[0045] In this embodiment, both ends of the rotary locking bracket 61 are provided with a rotary shaft 62, and the end of the rotary shaft 62 away from the rotary locking bracket 61 is provided with an outwardly extending cross head. With the cooperation of professional tools, it is convenient for workers to disassemble the connection. Both sides of the mounting groove 55 are provided with disassembly holes 54 corresponding to the rotary shaft 62, and the end of the disassembly hole 54 extends to the inner side of the mounting groove 55.

[0046] In this embodiment, the rotating locking bracket 61 is placed inside the mounting groove 55, and the rotating shaft 62 at the end of the rotating locking bracket 61 is inserted into the inside of the disassembly hole 54 and is movably connected to the disassembly hole 54. The rotating shaft 62 is rotatably connected to the disassembly hole 54, so that the rotating locking bracket 61 can rotate around the rotating shaft 62 as the axis inside the mounting groove 55.

[0047] In this embodiment, a positioning post 66 is integrally provided above the side of the outer locking claw 64 away from the rotation shaft 62, and a locking spring 65 is sleeved on the outside of the positioning post 66. The locking spring 65 applies downward pressure to the outer locking claw 64 to ensure that the end of the outer locking claw 64 is always under downward force. One end of the locking spring 65 is in contact with the outer locking claw 64, and the other end is inserted into the limiting groove at the top of the mounting groove 55.

[0048] By adopting the above technical solution, the electricity meter 1 is placed in the positioning cavity 52. ​​First, the groove seat 4 needs to be aligned with the mounting groove 55. As the electricity meter 1 moves, the groove seat 4 is inserted into the inner side of the mounting groove 55. The end of the outer locking claw 64 first contacts the groove seat 4. Since the end of the outer locking claw 64 is arc-shaped, the end of the outer locking claw 64 moves upward first. Then, the rotating locking bracket 61 contacts the groove seat 4. At the same time, the end of the rotating locking bracket 61 also rotates upward until the end of the rotating locking bracket 61 is above the groove in the groove seat 4. The locking spring 65 pushes the rotating locking bracket 61 and the outer locking claw 64 to engage in the groove on the groove seat 4. Since the elastic lock core 6 is completely submerged in the inner side of the mounting base 5, there are no fasteners after the electricity meter 1 is installed, thus preventing unauthorized personnel from disassembling the electricity meter 1.

[0049] When disassembling the electricity meter 1, a professional tool is required. The tool, which is L-shaped, is inserted into the disassembly hole 54. The tool end has a cross groove. The tool is rotated until the cross chuck at the end of the rotating shaft 62 is inserted into the cross groove at the end of the tool. The professional tool is rotated upwards. The tool drives the rotating locking bracket 61 and the outer locking claw 64 to rotate simultaneously through the rotating shaft 62. This causes the ends of the rotating locking bracket 61 and the outer locking claw 64 to separate from the groove on the groove seat 4. Then, the electricity meter 1 is moved forward to disassemble it. The disassembly does not require a long time to remove the bolts, which makes it convenient for the staff to quickly disassemble the electricity meter 1.

[0050] In this embodiment, the groove seat 4 is inserted into the inner side of the mounting groove 55. The groove on the inner side of the groove seat 4 is set upward, and the ends of the rotating locking bracket 61 and the outer locking claw 64 are both engaged in the groove on the inner side of the groove seat 4. The energy meter 1 is locked by the engagement, and it is convenient for the staff to disassemble it.

[0051] In this embodiment, the protective plate 71 is located at the bottom outer side of the electricity meter 1, and the protective plate 71 covers the side of the wiring terminal 2, blocking the screws at the connection between the wiring terminal 2 and the wire, thereby improving the anti-theft effect.

[0052] In this embodiment, the seat plate 51 is made of one-piece molded plastic plate, which ensures that the magnet attached to the side of the seat plate 51 can attract each other with the rectangular plug 72 and reduce the overall weight of the seat plate 51.

[0053] In this embodiment, the rectangular insertion rod 72 is slidably connected to the inner side of the storage groove 57, and the rectangular insertion rod 72 is a rectangular magnetic rod. The magnet is attached to the side of the base plate 51 near the rectangular insertion rod 72. Due to the principle of opposite poles attracting each other, the magnet will attract when it moves upward. The rectangular insertion rod 72 moves upward inside the storage groove 57, thereby separating the bottom of the rectangular insertion rod 72 from the insertion hole.

[0054] In this embodiment, a rubber pad 3 is provided on the side of the electricity meter 1 near the mounting base 5, and the rubber pad 3 is attached to the side of the positioning cavity 52 to fill the connection and prevent the electricity meter 1 from shaking inside the positioning cavity 52.

[0055] By adopting the above technical solution, the mounting base 5 is first installed. Several bolts are threaded through the countersunk bolt holes 53 and connected to the installation position. Since the countersunk bolt holes 53 are stepped, when the bolts are connected to the installation position, the nuts at the ends of the bolts will be completely submerged in the countersunk bolt holes 53. Then, the energy meter 1 is installed into the positioning cavity 52, completely covering the bolts in the countersunk bolt holes 53. As the energy meter 1 moves, the groove seat 4 at the end of the energy meter 1 is inserted into the inner side of the mounting groove 55. The end of the outer locking claw 64 first contacts the groove seat 4. Since the end of the outer locking claw 64 is arc-shaped, the end of the outer locking claw 64 first moves upward. Then, the rotating locking bracket 61 contacts the groove seat 4. At the same time, the end of the rotating locking bracket 61 also rotates upward until the end of the rotating locking bracket 61 is above the groove in the groove seat 4. The locking spring 65 pushes the rotating locking mechanism. The bracket 61 and the outer locking claw 64 are engaged in the groove on the recessed seat 4 to fix the electricity meter 1. Then, the wires are connected to the corresponding positions of the terminal 2 and the screws at the connection are tightened. Finally, the anti-theft cover 7 is placed on the side of the terminal 2 and the cover 71 is pushed closer to the terminal 2. At this time, the cover 71 is inserted into the inner side of the positioning slot 56, which has a positioning effect on both ends of the cover 71. When the cover 71 is completely attached to the end of the terminal 2, both ends of the cover 71 are just fully inserted into the positioning slot 56. At this time, the compression spring 73 in the recessed groove 57 pushes the rectangular plug 72 to slide to the bottom and insert it into the corresponding position of the plug hole at the end of the cover 71. The cover 71 completely covers the outside of the terminal 2, protecting the terminal 2 and preventing unauthorized personnel from modifying the wires on the terminal 2, thus further improving the anti-theft effect of the electricity meter.

[0056] The embodiments disclosed in this invention are preferred embodiments, but are not limited thereto. Those skilled in the art can easily understand the spirit of this invention based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of this invention, they are all within the protection scope of this invention.

Claims

1. A smart meter with anti-theft function, characterized in that: The device includes an electricity meter (1), with a mounting base (5) fixedly connected to the end of the electricity meter (1), a wiring terminal (2) at the bottom of the electricity meter (1), and an anti-theft cover (7) at the end of the wiring terminal (2). The anti-theft cover (7) includes a protective plate (71) covering the outside of the electricity meter (1). The protective plate (71) is U-shaped and has holes at both ends. A rectangular plug (72) is inserted into the holes and a compression spring (73) is connected to the top of the rectangular plug (72). The mounting base (5) includes a base plate (51) that fits against the end of the energy meter (1). Positioning slots (56) are provided on both sides of the bottom of the base plate (51). Both ends of the guard plate (71) are inserted into the positioning slots (56). Each positioning slot (56) is also provided with a storage groove (57) corresponding to the rectangular insert (72) above it. The rectangular insert (72) and the compression spring (73) are respectively located in the storage groove (57). The side of the seat plate (51) is provided with a positioning cavity (52), and the energy meter (1) is attached to the positioning cavity (52). The inner side of the positioning cavity (52) is provided with countersunk bolt holes (53) for placing bolts in a rectangular array. The end of the energy meter (1) near the seat plate (51) is provided with a groove seat (4), and the seat plate (51) and the groove seat (4) are provided with a mounting groove (55) at the corresponding position. The mounting groove (55) is provided with an elastic lock core (6) that engages with the groove seat (4).

2. The smart meter with anti-theft function as described in claim 1, characterized in that: The elastic lock core (6) includes a rotating locking frame (61). The upper part of the rotating locking frame (61) is provided with a hollow rotating cavity. An outer locking claw (64) is movably connected in the rotating cavity. One end of the outer locking claw (64) is provided with an arc-shaped pawl. The other end of the outer locking claw (64) is provided with a shaft hole (67). The rotating cavity on the rotating locking frame (61) is provided with a mounting shaft (63) that rotates with the shaft hole (67). The mounting shaft (63) passes through the inner side of the shaft hole (67).

3. The smart meter with anti-theft function as described in claim 2, characterized in that: The rotating locking bracket (61) is provided with a rotating shaft (62) at both ends, and the end of the rotating shaft (62) away from the rotating locking bracket (61) is provided with an outwardly extending cross head. The mounting groove (55) is provided with a disassembly hole (54) corresponding to the rotating shaft (62) on both sides, and the end of the disassembly hole (54) extends to the inner side of the mounting groove (55).

4. The smart meter with anti-theft function as described in claim 3, characterized in that: The rotating locking bracket (61) is placed inside the mounting groove (55), and the rotating shaft (62) at the end of the rotating locking bracket (61) is inserted into the inside of the disassembly hole (54) and is movably connected to the disassembly hole (54).

5. The smart meter with anti-theft function as described in claim 4, characterized in that: The outer locking claw (64) is provided with a positioning post (66) on the side away from the rotating shaft (62), and a locking spring (65) is sleeved on the outside of the positioning post (66). One end of the locking spring (65) is in contact with the outer locking claw (64), and the other end is inserted into the limiting groove at the top of the mounting groove (55).

6. The smart meter with anti-theft function as described in claim 5, characterized in that: The groove seat (4) is inserted into the inner side of the mounting groove (55). The groove on the inner side of the groove seat (4) is set upward, and the ends of the rotating locking bracket (61) and the outer locking claw (64) are both engaged in the groove on the inner side of the groove seat (4).

7. The smart meter with anti-theft function as described in claim 1, characterized in that: The protective plate (71) is located at the bottom outer side of the energy meter (1) and covers the side of the wiring terminal (2).

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